> ## Documentation Index > Fetch the complete documentation index at: https://docs.solanatracker.io/llms.txt > Use this file to discover all available pages before exploring further. # Developer holdings > Subscribe to developer holdings changes for a token ## AsyncAPI ````yaml datastream/safety.json developerHoldings id: developerHoldings title: Developer holdings description: Subscribe to developer holdings changes for a token servers: - id: production protocol: wss host: datastream.solanatracker.io bindings: [] variables: - id: apiKey description: Your unique API key from Data API subscription allowedValues: [] examples: [] address: / parameters: [] bindings: [] operations: - &ref_1 id: subscribeToDev title: Subscribe to dev description: Subscribe to dev holdings type: receive messages: - &ref_5 id: joinDev payload: - name: joinDev description: Subscribe to developer holdings type: object properties: - name: type type: string description: join required: true - name: room type: string description: Dev holding room (dev_holding:{tokenAddress}) required: true headers: [] jsonPayloadSchema: type: object required: - type - room properties: type: type: string const: join default: join x-parser-schema-id: room: type: string pattern: ^dev_holding:[A-Za-z0-9]{32,44}$ description: Dev holding room (dev_holding:{tokenAddress}) default: dev_holding:6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN x-parser-schema-id: examples: - type: join room: dev_holding:6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN x-parser-schema-id: title: Join dev description: Subscribe to developer holdings example: |- { "type": "join", "room": "dev_holding:6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN" } bindings: [] extensions: - id: x-parser-unique-object-id value: joinDev - id: x-parser-message-name value: joinDev bindings: [] extensions: &ref_0 - id: x-parser-unique-object-id value: developerHoldings - &ref_3 id: receiveDevConfirmation title: Receive dev confirmation description: Receive dev confirmation type: send messages: - &ref_7 id: devJoined payload: - name: devJoined description: Dev holding subscription confirmed type: object properties: - name: type type: string description: joined required: false - name: room type: string required: false headers: [] jsonPayloadSchema: type: object properties: type: type: string const: joined x-parser-schema-id: room: type: string x-parser-schema-id: examples: - type: joined room: dev_holding:6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN x-parser-schema-id: title: Dev joined description: Dev holding subscription confirmed example: |- { "type": "joined", "room": "dev_holding:6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN" } bindings: [] extensions: - id: x-parser-unique-object-id value: devJoined - id: x-parser-message-name value: devJoined bindings: [] extensions: *ref_0 - &ref_4 id: receiveDevData title: Receive dev data description: Receive dev holdings type: send messages: - &ref_8 id: devMessage payload: - name: devMessage description: Developer holding change notification type: object properties: - name: type type: string description: message required: false - name: room type: string required: false - name: data type: object required: false properties: - name: token type: string required: false - name: creator type: string required: false - name: amount type: string required: false - name: percentage type: number required: false - name: previousPercentage type: number required: false - name: timestamp type: integer required: false - name: action type: string enumValues: - buy - sell - hold required: false - name: changeAmount type: integer required: false headers: [] jsonPayloadSchema: type: object properties: type: type: string const: message x-parser-schema-id: room: type: string x-parser-schema-id: data: type: object properties: token: type: string x-parser-schema-id: creator: type: string x-parser-schema-id: amount: type: string x-parser-schema-id: percentage: type: number x-parser-schema-id: previousPercentage: type: number x-parser-schema-id: timestamp: type: integer x-parser-schema-id: action: type: string enum: - buy - sell - hold x-parser-schema-id: changeAmount: type: integer x-parser-schema-id: x-parser-schema-id: DevHolding examples: - type: message room: dev_holding:6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN data: token: 6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN creator: 4Rz5xqikxtZ2s7wE9uQ6n2oLXQi6K65XGoYpKxf24Hqo amount: '150000000000' percentage: 15 previousPercentage: 20 timestamp: 1739318753652 x-parser-schema-id: title: Dev message description: Developer holding change notification example: |- { "type": "message", "room": "dev_holding:6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN", "data": { "token": "6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN", "creator": "4Rz5xqikxtZ2s7wE9uQ6n2oLXQi6K65XGoYpKxf24Hqo", "amount": "150000000000", "percentage": 15, "previousPercentage": 20, "timestamp": 1739318753652 } } bindings: [] extensions: - id: x-parser-unique-object-id value: devMessage - id: x-parser-message-name value: devMessage bindings: [] extensions: *ref_0 - &ref_2 id: unsubscribeFromDev title: Unsubscribe from dev description: Unsubscribe from dev type: receive messages: - &ref_6 id: leaveDev payload: - name: leaveDev description: Unsubscribe from dev holdings type: object properties: - name: type type: string description: leave required: true - name: room type: string required: true headers: [] jsonPayloadSchema: type: object required: - type - room properties: type: type: string const: leave default: leave x-parser-schema-id: room: type: string default: dev_holding:6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN x-parser-schema-id: examples: - type: leave room: dev_holding:6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN x-parser-schema-id: title: Leave dev description: Unsubscribe from dev holdings example: |- { "type": "leave", "room": "dev_holding:6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN" } bindings: [] extensions: - id: x-parser-unique-object-id value: leaveDev - id: x-parser-message-name value: leaveDev bindings: [] extensions: *ref_0 sendOperations: - *ref_1 - *ref_2 receiveOperations: - *ref_3 - *ref_4 sendMessages: - *ref_5 - *ref_6 receiveMessages: - *ref_7 - *ref_8 extensions: - id: x-parser-unique-object-id value: developerHoldings securitySchemes: - id: apiKeyAuth name: apiKey type: httpApiKey description: >- API key for authentication. Include your Datastream key in the connection URL: wss://datastream.solanatracker.io/{DATASTREAM_KEY} in: header extensions: [] ````